Adjustable lamp



FIG. 1 is a right side elevational view of the adjustable lamp showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a right side elevational view of a second embodiment showing my new design;

FIG. 8 is a left side elevational view thereof;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a front elevational view thereof; and,

FIG. 12 is a rear elevational view thereof. 

The ornamental design for an adjustable lamp, as shown and described. 